DDEC VI SERIES 60 TROUBLESHOOTING GUIDE
28 SPN 656 – INJECTOR #6 NEEDLE VALVE NOT OPERATING
NORMALLY
28.1 SPN 656/FMI 5 ......................................................................................... 28-3
28.2 SPN 656/FMI 10 ....................................................................................... 28-6
29 SPN 701 – JAKE BRAKES LOW (AUX PWM #7) OPEN OR SHORT
29.1 SPN 701/FMI 3 ......................................................................................... 29-3
29.2 SPN 701/FMI 4 ......................................................................................... 29-5
29.3 SPN 701/FMI 5 ......................................................................................... 29-6
30 SPN 704 - TURBO ACTUATOR CONTROL (AUX PWM #10)
30.1 SPN 704/FMI 3 ......................................................................................... 30-3
30.2 SPN 704/FMI 4 ......................................................................................... 30-4
30.3 SPN 704/FMI 5 ......................................................................................... 30-5
31 SPN 706 – JAKE BRAKE MEDIUM (AUX PWM #13) OPEN OR SHORT
31.1 SPN 706/FMI 3 ......................................................................................... 31-3
31.2 SPN 706/FMI 4 ......................................................................................... 31-5
31.3 SPN 706/FMI 5 ......................................................................................... 31-6
32 SPN 709 - SINGLE-SPEED FAN (LOW-SIDE DIGITAL OUTPUT #3)
FAULT
32.1 SPN 709/FMI 3 ......................................................................................... 32-3
32.2 SPN 709/FMI 4 ......................................................................................... 32-5
32.3 SPN 709/FMI 5 ......................................................................................... 32-6
33 SPN 714 - ETHER START (LOW-SIDE DIGITAL OUTPUT #8) FAULT
33.1 SPN 714/FMI 3 ......................................................................................... 33-3
33.2 SPN 714/FMI 4 ......................................................................................... 33-4
33.3 SPN 714/FMI 5 ......................................................................................... 33-5
34 SPN 723 — CAMSHAFT POSITION SENSOR FAULT
34.1 SPN 723/FMI 3 ......................................................................................... 34-3
34.2 SPN 723/FMI 4 ......................................................................................... 34-5
34.3 SPN 723/FMI 8 ......................................................................................... 34-6
34.4 SPN 723/FMI 14 ....................................................................................... 34-7
35 SPN 975 - TWO-SPEED FAN (AUX PWM #6) FAULT
35.1 SPN 975/FMI 3 ......................................................................................... 35-3
35.2 SPN 975/FMI 4 ......................................................................................... 35-5
35.3 SPN 975/FMI 5 ......................................................................................... 35-6
36 SPN1172-TURBOCOMPRESSORINTEMPHIGHORLOW
36.1 SPN 1172/FMI 3 ....................................................................................... 36-3
36.2 SPN 1172/FMI 4 ....................................................................................... 36-5
37 SPN 1636 – INTAKE AIR TEMPERATURE OUTSIDE OF NORMAL
OPERATING RANGE
37.1 SPN 1636 /FMI 2 ...................................................................................... 37-3
37.2 SPN 1636/FMI 3 ....................................................................................... 37-4
37.3 SPN 1636/FMI 4 ....................................................................................... 37-6
All information subject to change without notice.
viii PRELIMINARY 6SE567 0512 Copyright © 2005 DETROIT DIESEL CORPORATION